From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7EB2C282C3 for ; Tue, 22 Jan 2019 06:34:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A963220879 for ; Tue, 22 Jan 2019 06:34:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="HJMz1ymH"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="nKDDsBqi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727148AbfAVGed (ORCPT ); Tue, 22 Jan 2019 01:34:33 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:39538 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726174AbfAVGec (ORCPT ); Tue, 22 Jan 2019 01:34:32 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id DA9E2608EA; Tue, 22 Jan 2019 06:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548138871; bh=0Hi91cQ/hjCVhDdogwQ5vT80/tQYis8QOW0Gl5mbSwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HJMz1ymHd+VlzyrIarYKO3eoO3pyh3hh4bSqkuUDNJ/NC6GT2U8ZFy26aKqWbx1IW TUwyvSFoWsIaRCqs558aBQqd8xEjwg2+6FYxBXx7Ey9Et8sMYbfWiiy44VzBehHzHB lUPXE6rfzui4QqEkQSbJ/pgIJj50THewyNLxn3Yk= Received: from alokc-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alokc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4987260712; Tue, 22 Jan 2019 06:34:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548138866; bh=0Hi91cQ/hjCVhDdogwQ5vT80/tQYis8QOW0Gl5mbSwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nKDDsBqiwCiFtyCdFvoZn3oj8ffPEv3E8zDzTYgPDNA9Uz9ie95C/eYKvxsNYU4N2 s62YU2DrebdjKnDs1Tnn2sCrP/+GFb3weu9cmPV8jq/8fjOaUS7fV+gETKFDTeycb0 1p34CgzArTG47DTN3UDdQN/shmTpQ/9lnDwOiXXs= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4987260712 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=alokc@codeaurora.org From: Alok Chauhan To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, Alok Chauhan , Karthikeyan Ramasubramanian Cc: andy.gross@linaro.org, david.brown@linaro.org, georgi.djakov@linaro.org, dianders@chromium.org, swboyd@chromium.org, bjorn.andersson@linaro.org Subject: [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support Date: Tue, 22 Jan 2019 12:03:33 +0530 Message-Id: <1548138816-1149-4-git-send-email-alokc@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1548138816-1149-1-git-send-email-alokc@codeaurora.org> References: <1548138816-1149-1-git-send-email-alokc@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Get the interconnect paths for I2C based Serial Engine device and vote accordingly based on maximum supported I2C frequency. Signed-off-by: Alok Chauhan --- drivers/i2c/busses/i2c-qcom-geni.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index db075bc..e8fe63a 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -14,6 +14,7 @@ #include #include #include +#include #define SE_I2C_TX_TRANS_LEN 0x26c #define SE_I2C_RX_TRANS_LEN 0x270 @@ -508,6 +509,15 @@ static int geni_i2c_probe(struct platform_device *pdev) return ret; } + /* Set the bus quota to a reasonable value */ + gi2c->se.avg_bw = Bps_to_icc(1000); + gi2c->se.peak_bw = Bps_to_icc(76800000); + ret = geni_interconnect_init(&gi2c->se); + if (ret) { + dev_err(&pdev->dev, "interconnect_init failed %d\n", ret); + return ret; + } + ret = device_property_read_u32(&pdev->dev, "clock-frequency", &gi2c->clk_freq_out); if (ret) { @@ -611,6 +621,8 @@ static int __maybe_unused geni_i2c_runtime_suspend(struct device *dev) gi2c->suspended = 1; } + geni_icc_update_bw(&gi2c->se, false); + return 0; } @@ -619,6 +631,7 @@ static int __maybe_unused geni_i2c_runtime_resume(struct device *dev) int ret; struct geni_i2c_dev *gi2c = dev_get_drvdata(dev); + geni_icc_update_bw(&gi2c->se, true); ret = geni_se_resources_on(&gi2c->se); if (ret) return ret; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project